20185191873

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{236807}}^1$

素因数の和:236875

約数の個数: 64

約数和(自身を含む): 38192394240

約数和(自身を除く): 18007202367

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 63, 77, 99, 123, 189, 231, 287, 297, 369, 451, 693, 861, 1107, 1353, 2079, 2583, 3157, 4059, 7749, 9471, 12177, 28413, 85239, 236807, 710421, 1657649, 2131263, 2604877, 4972947, 6393789, 7814631, 9709087, 14918841, 18234139, 23443893, 29127261, 44756523, 54702417, 67963609, 70331679, 87381783, 106799957, 164107251, 203890827, 262145349, 320399871, 492321753, 611672481, 747599699, 961199613, 1835017443, 2242799097, 2883598839, 6728397291, 20185191873]

約数ペア:

[(1, 20185191873), (3, 6728397291), (7, 2883598839), (9, 2242799097), (11, 1835017443), (21, 961199613), (27, 747599699), (33, 611672481), (41, 492321753), (63, 320399871), (77, 262145349), (99, 203890827), (123, 164107251), (189, 106799957), (231, 87381783), (287, 70331679), (297, 67963609), (369, 54702417), (451, 44756523), (693, 29127261), (861, 23443893), (1107, 18234139), (1353, 14918841), (2079, 9709087), (2583, 7814631), (3157, 6393789), (4059, 4972947), (7749, 2604877), (9471, 2131263), (12177, 1657649), (28413, 710421), (85239, 236807)]